package com.itheima.reggie.controller;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.itheima.reggie.common.R;
import com.itheima.reggie.dto.SetmealDto;
import com.itheima.reggie.entity.Category;
import com.itheima.reggie.entity.Dish;
import com.itheima.reggie.entity.Setmeal;
import com.itheima.reggie.service.CategoryService;
import com.itheima.reggie.service.SetmealDishService;
import com.itheima.reggie.service.SetmealService;
import lombok.extern.slf4j.Slf4j;
import org.apache.commons.lang.StringUtils;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;

import java.util.ArrayList;
import java.util.List;
import java.util.Set;
import java.util.stream.Collectors;

/**
 * 套餐管理
 */
@Slf4j
@RestController
@RequestMapping("setmeal")
public class SetmealController {

    @Autowired
    private SetmealService setmealService;
    @Autowired
    private SetmealDishService setmealDishService;
    @Autowired
    private CategoryService categoryService;

    /**
     * 新增套餐
     */
    @PostMapping
    public R<String> save(@RequestBody SetmealDto setmealDto) {
        log.info("套餐信息:{}", setmealDto);
        setmealService.saveWithDish(setmealDto);
        return R.success("新增套餐成功");
    }

    /**
     * 套餐分页查询
     */
    @GetMapping("page")
    public R<Page<SetmealDto>> page(Integer page, Integer pageSize, String name) {
        //分页构造器对象
        Page<Setmeal> pageInfo1 = new Page<>(page, pageSize);

        QueryWrapper<Setmeal> queryWrapper = new QueryWrapper<>();
        //添加查询条件，根据name进行like模糊查询
        queryWrapper.like(StringUtils.isNotBlank(name), "name", name);
        //添加排序条件，根据更新时间降序排列
        queryWrapper.orderByDesc("update_time");
        setmealService.page(pageInfo1, queryWrapper);

        Page<SetmealDto> pageInfo2 = new Page<>(page, pageSize);

        //对象拷贝
        //拷贝第一部分数据
        BeanUtils.copyProperties(pageInfo1, pageInfo2, "records");

        //拷贝第二部分数据
        List<SetmealDto> setmealDtoList = new ArrayList<>();
        for (Setmeal setmeal : pageInfo1.getRecords()) {
            SetmealDto setmealDto = new SetmealDto();
            //对象拷贝
            BeanUtils.copyProperties(setmeal, setmealDto);
            //根据分类id查询分类对象
            Category category = categoryService.getById(setmeal.getCategoryId());
            //设置分类名称
            setmealDto.setCategoryName(category.getName());
            //将setmealDto添加到list集合中
            setmealDtoList.add(setmealDto);
        }
        pageInfo2.setRecords(setmealDtoList);

        return R.success(pageInfo2);
    }

    /**
     * 删除套餐
     */
    @DeleteMapping
    public R<String> delete(Long[] ids) {
        setmealService.removeWithDish(ids);
        return R.success("套餐数据删除成功");
    }

    /**
     * 根据条件查询套餐数据
     */
    @GetMapping("list")
    public R<List<Setmeal>> list(Setmeal setmeal) {
        QueryWrapper<Setmeal> queryWrapper = new QueryWrapper<>();
        queryWrapper.eq(setmeal.getStatus() != null, "status", setmeal.getStatus());
        queryWrapper.eq(setmeal.getCategoryId() != null, "category_id", setmeal.getCategoryId());
        queryWrapper.orderByDesc("update_time");

        List<Setmeal> list = setmealService.list(queryWrapper);
        return R.success(list);
    }
}